Mr. Chris Verrico reports

RIO SILVER AMENDS MARIA NORTE TERMS

Rio Silver Inc., further to its news releases dated March 26, 2025, and June 25, 2025, has amended terms of the acquisition from Peruvian Metals Corp. of the Maria Norte project, located in the District df Huachocopla, Huancavelica, Peru.

Subject to applicable regulatory and other approvals, including that of the exchange, the amended terms of the transaction with Peruvian include: (1) the elimination of the net smelter royalty to Peruvian; (2) the adjusted number of payment securities to be issued to Peruvian, now three million shares of Rio Silver and one million share purchase warrants of Rio Silver (on account of the recent 1:5 consolidation of the shares of Rio Silver, completed on July 3, 2025), with each share purchase warrant exercisable at 15 cents per share for a period of two years from the date of exchange approval; and (3) payment by Rio Silver to Peruvian in the amount of $22,500 (U.S.), with all other terms of the transaction remaining unchanged. For further clarity, the semi-annual payments of $25,000 (U.S.) to Peruvian in the aggregate amount of $250,000 (U.S.) will remain as option payments, given the elimination of the net smelter royalty.

About Rio Silver Inc.

Rio Silver is a resource development company that has been selectively identifying and acquiring precious metal assets that are anticipated to produce near-term cash flow to best assist the company's exploration/development plans, in a non-dilutive, shareholder-friendly way. The company remains ever impressed and optimistic by the resilience and ingenuity of its host country as Peru continues to endorse supportive mining policies and continued growth, as evident by the continuing investment being witnessed throughout Peru.

We seek Safe Harbor.